Here is something that I see from clients occasionally. Scenario: User goes to the ‘Depreciate’ Window (Routines > Fixed Assets > Depreciate) to process depreciation of fixed assets. However, upon arriving at the window, they see the ‘Depreciate’ button unavailable.

This 17-minute video covers Requisition/Purchase Order Processing Workflow Setup in GP 2015. This feature allows employees to enter requisitions and allow these documents to be submitted through workflow for approval.